2024-03-19 17:45:12 +08:00

59 lines
2.8 KiB
C++

/*=============================================================================|
| PROJECT SNAP7 1.3.0 |
|==============================================================================|
| Copyright (C) 2013, 2015 Davide Nardella |
| All rights reserved. |
|==============================================================================|
| SNAP7 is free software: you can redistribute it and/or modify |
| it under the terms of the Lesser GNU General Public License as published by |
| the Free Software Foundation, either version 3 of the License, or |
| (at your option) any later version. |
| |
| It means that you can distribute your commercial software linked with |
| SNAP7 without the requirement to distribute the source code of your |
| application and without the requirement that your application be itself |
| distributed under LGPL. |
| |
| SNAP7 is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| Lesser GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License and a |
| copy of Lesser GNU General Public License along with Snap7. |
| If not, see http://www.gnu.org/licenses/ |
|=============================================================================*/
#ifndef s7_peer_h
#define s7_peer_h
//---------------------------------------------------------------------------
#include "s7_types.h"
#include "s7_isotcp.h"
//---------------------------------------------------------------------------
const longword errPeerMask = 0xFFF00000;
const longword errPeerBase = 0x000FFFFF;
const longword errNegotiatingPDU = 0x00100000;
class TSnap7Peer: public TIsoTcpSocket
{
private:
word cntword;
protected:
bool Destroying;
PS7ReqHeader PDUH_out;
word GetNextWord();
int SetError(int Error);
int NegotiatePDULength();
void ClrError();
public:
int LastError;
int PDULength;
int PDURequest;
TSnap7Peer();
~TSnap7Peer();
void PeerDisconnect();
int PeerConnect();
};
//---------------------------------------------------------------------------
#endif